HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Esp-01 Is A Wifi Serial Transceiver Module Based On Esp8266. Soc Integrates The Tcp/Ip Protocol Stack. It Is A Ttl Serial Communication Interface Whose Parameters Can Be Set By The At Command. It Is Widely Used In Networking Smart Home And Other Projects When Connecting To Wi-Fi Routers. It Can Be Used For The Remote Monitoring Of The Temperature And Humidity Of Household Appliances And Houses And Controlling Household Appliances And Smart Cars Through Mobile Phones. The Usb To Esp-01 Adapter Module Has The Ch340g Usb To Ttl Drive Chip So You Can Easily Use Your Computer To Do The Esp-01 Function Debugging. Features: - Working Voltage: 4.5V-5.5V (3.3V Ldo Regulator On Board) - Operating Current :240Ma(Max) Serial Port Rate :115200(Default) Which Can Be Changed To Other Values By At Command Serial Communication Format :8N1 - Antenna Type: Built-In Pcb Antenna. - Wireless Network Mode: Station/Soft Beat/Soft Beat + Station - Wireless :802.11 B/G/N - Wifi 2.4Ghz Support Wpa/Wpa2 Security Mode - It's Easy To Design Projects Using The At Command - Applications: Home Automation Sensor Network Wireless Control Intelligent Vehicles.Div>Specification General Mainly Compatible With: ArdunioP>Power Batteries Batteries Included: NoP>Dimensions And Weight Product Weight: 0.0130 KgBr> Package Weight: 0.0140 KgP>You Will Receive You Will Receive: 1X Module/P